protected void onVertexPropertyRemoved(final Vertex vertex, final String key, final Object removedValue) {
this.eventGraph.getTrigger().addEvent(new VertexPropertyRemovedEvent(vertex, key, removedValue));
}
protected void onEdgePropertyRemoved(final Edge edge, final String key, final Object removedValue) {
this.eventGraph.getTrigger().addEvent(new EdgePropertyRemovedEvent(edge, key, removedValue));
}